Description

Yokogawa UT52A‑NNN‑11‑UN Digital Indicating Temperature Controller

Model Code Breakdown (UT52A‑NNN‑11‑UN)

Core Specifications

Input

• Universal Input: 1 main channel (TC, RTD, DC mV/V/mA)
• Accuracy: ±0.1% FS (after calibration)
• Sampling/Control Period: 200 ms (selectable: 50/100/200 ms)

Control & Algorithms

• Control Modes: 8 built‑in (single‑loop, cascade, PV‑switch, etc.)
• Control Types: PID, ON/OFF, heating/cooling, position proportional
• PID Sets: 8 independent PID groups (auto‑tune, anti‑windup)
• Ladder Logic: 500 steps (program via LL50A software)

I/O Configuration

• Digital Inputs (DI): 3 standard (up to 5 with options)
• Digital Outputs (DO): 3 standard (up to 5 with options)
• Main Output: Configurable (relay, voltage pulse, 4–20 mA current)
• Alarms: 3 independent common alarm terminals

Display & Physical

• Display: 14‑segment 5‑digit color LCD (red/white), bar graph
• Panel Size: 48 × 96 mm (1/8 DIN), depth 65 mm
• Power: 100–240 V AC, 50/60 Hz; ~11 VA
• Operating: ‑10 to +50 °C, ≤85% RH (non‑condensing)
• Front Protection: IP66 (NEMA4) dust‑proof/drip‑proof
• Warranty: 3‑year

Communication

• Standard: No open network (RS‑485 optional via function code)
• Languages: English, Chinese, Japanese, German, French, Spanish, Korean

Key Features

• Compact 1/8 DIN: Ideal for space‑constrained panels
• Color LCD: Intuitive status monitoring (white = normal, red = alarm)
• Built‑in Ladder Logic: Eliminates external PLC for basic sequence control
• Standard I/O: 3 DI + 3 DO for basic interlock/sequence logic
• Multi‑language Support: Easy operation for global teams
• Black Case (UN): Suitable for industrial environments